AWS EDITION 1, 2009

© 2009, AWI, AWMAC, WI - Architectural Woodwork Standards - 1st Edition, October 1, 2009 59

As may be updated by errata at http://www.awinet.org, http://www.awmac.com, or http://www.woodworkinstitute.com/awserrata/

Section 3 - Lumber (Page 10 of 18)

PRODUCT

LUMBER RULES (continued)

These rules are not intended to create a lumber grade; they are only intended to establish the acceptable requirements

and/or characteristics after the architectural woodwork is completed or installed.

DESCRIPTION E C P



4.2a

H A R D W O O D 

MATERIAL - HARDWOOD (continued)



4.2a.10

O P A Q U E

OPAQUE FINISH (continued)



4.2a.10.5

A L L O W A N C E S

NATURAL CHARACTERISTIC ALLOWANCES (continued)

4.2a.10.5.9 MINERAL STAIN

4.2a.10.5.9.1 Unlimited M

4.2a.10.5.9.2 < 15% of face M

4.2a.10.5.9.3 < 10% of face M

4.2a.10.5.10 PATCH < 1-1/2" (38 mm) wide x 3-1/2" (89 mm) long, and inconspicuous from 60"

(1524 mm)

4.2a.10.5.11 PITCH POCKET or STREAK, Filled

4.2a.10.5.11.1 < 1/16" (2 mm) wide x 6" (152 mm) long or

1/8" (3 mm) wide x 4" (102 mm) long

MM

4.2a.10.5.11.2 < 1/16" (2 mm) wide x 3" (76 mm) long or

1/8" (3 mm) wide x 2" (51 mm) long

M

4.2a.10.5.12 SAPWOOD, in unselected species - Unlimited

4.2a.10.5.13 SHAKE, Filled

4.2a.10.5.13.1 < 1/4" (6 mm) wide x 3" (76 mm) long M

4.2a.10.5.13.2 < 1/8" (3 mm) wide x 3" (76 mm) long M

4.2a.10.5.13.3 < 1/16" (2 mm) wide x 2" (51 mm) long M

4.2a.10.5.14 SPLIT, Filled

4.2a.10.5.14.1 < 3/32" (2 mm) wide x 8" (203 mm) long M

4.2a.10.5.14.2 < 1/16" (2 mm) wide x 6" (152 mm) long M

4.2a.10.5.14.3 < 1/32" (1 mm) wide x 4" (102 mm) long M

4.2a.10.5.15 STICKER BOARD DISCOLORATION - Unlimited

4.2a.10.5.16 WORM HOLE

4.2a.10.5.16.1 < 1/8" (3 mm) in diameter M

4.2a.10.5.16.2 < 1/16" (2 mm) in diameter M

4.2a.10.5.16.3 None M

4.2a.11

T R A N S P A R E N T 

TRANSPARENT FINISH

4.2a.11.1 MATCHING, when glued for thickness or width or when veneered construction is utilized,

shall be:

4.2a.11.1.1 Not required M

4.2a.11.1.2 Compatible for color and grain M

4.2a.11.1.3 Well matched for color and grain M

4.2a.11.2 FILLING of checks, splits, or other open characteristics is the responsibility of the

finisher.

MMM

4.2a.11.3



NATURAL CHARACTERISTIC LIMITATIONS of any one board's exposed face:

4.2a.11.3.1 A maximum of FOUR with: M

4.2a.11.3.1.1 NO(610 mm) of one another knots, pitch streaks, or pitch pockets within 24" M

3